Apps with 'Spam Prevention' feature Page 2 of 2

Email Filtering Gateway as a Service.

Anti-spam plugin blocks automatic spam in comments section. No captcha. Plugin is easy to use: just install it and it just works. Blocked comments can be stored in the Spam area if needed. This can be enabled/disabled via Settings page.

A one click extension that clicks 'unsubscribe' link in emails for you. Just open an email and click the icon to use.

A Chrome extension to unsubscribe emails in Gmail.

Get authentic, kindful, and constructive feedback from your friends, family, and co-workers. Secure, built-in abuse detection, anonymous, free and open-source.

Fresh Inbox is a Chrome extension to help you maintain a clutter-free Gmail inbox. It removes & blocks unwanted emails.

VoxGuard is a call screening app for Android that answers unknown callers before your phone rings, asks them to repeat a short phrase out loud, and has them say who they are and why they're calling. You decide who gets through.

Forms for your websites and blogs. Email notifications, reCAPTCHA, Akismet, File uploads, Webhooks and complete control of your html markup. No iframes.

Generate unlimited disposable emails with over two months of active validity, no registration needed, no cost, and a user-focused, privacy-oriented interface.

Returns true for a recognized free email address or domain.

Practical Example: Distinguish between personal and business accounts. Use case: notify your sales team only about newly signed up business accounts.

WhatSpam is an all-in-one spam and scam-blocking assistant designed to help users identify and block unwanted calls, messages, and emails. By enabling WhatSpam on your device, you gain control over who can contact you, enhancing your communication experience.

Nginx Block Bad Bots, Spam Referrer Blocker, Vulnerability Scanners, User-Agents, Malware, Adware, Ransomware, Malicious Sites, with anti-DDOS, Wordpress Theme Detector Blocking and Fail2Ban Jail for Repeat Offenders.

OptiMail provides AI-driven email deliverability intelligence that helps your team ensure messages land in the inbox. It tests placement across major ISPs, analyzes spam triggers and content, validates SPF, DKIM, and DMARC, and monitors Google Postmaster and Microsoft SNDS.

Paid mobile app blocks spam, telemarketers, and robocalls, uses answer bots to waste scammers’ time, updates block list in real time, and identifies unknown callers.

A lightweight (~217 bytes vanila JS at frontend) and privacy-friendly plugin to prevent spam comment in the default commenting system of WordPress. Works instantly. No settings required. No captcha.

Create email aliases to privately sign up to services, send emails, or reply. Protect your real email address and keep your inbox free from spam.

Instant, secure, and zero-log temporary email generator with a 1-click Chrome toolbar extension and built-in developer privacy tools.

An efficient email management service. Useful tool to unsubscribe in Gmail. Use Baxter for mass unsubscribing and organizing.

Premium email, all at no cost. Join Horizon today and claim your premium inbox.